server.py 文件源码

def _setup_socket(self):
        self.socket = socket.socket(self.address_family, self.socket_type)
        if self.allow_reuse_address:
            self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        if not self.ipv6_only:
            try:
                self.socket.setsockopt(socket.IPPROTO_IPV6,
                                       socket.IPV6_V6ONLY, 0)
            except (AttributeError, socket.error) as e:
                self.log.debug("Unable to set IPV6_V6ONLY to false %s", e)
        self.server_bind()
        self.server_activate()